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Seachem Cupramine and Hanna tester

Alchameth

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So usually I'd do the 2 weeks and then GAC it out and do a water change, but because I've been hit twice I'm doing the 2 month med QT. So I have a 20G tank so with this it's pretty easy except I dosed for a 10G not 20G and did a water change. The Seachem tester is garbage trying to get that shade of blue to match so I got a Hanna Copper tester. Question is is .5 on the Hanna same as .5 on the Seachem tester?
 

Redfoxtang

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Your Hanna should read .5 if dosing cupramine. I would not worry about the Seachem test kit. Hanna with make things a lot easier in testing the copper in the water.
 

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